#include<stdio.h>
#define len 26
int main(void)
{
	char str[len] = {'A','B','C','D','E','F','J','H','I','G','K','L','M','N',
	'O','P','Q','R','S','T','U','V','W','X','Y','Z'};
char idx,*p_str;
p_str = str;
printf("please input idx(0~25) and ENTER :");
scanf("%d",&idx);
if(idx<len)
{printf("the character is :%c\n",*(p_str+idx));}
else
{
	printf("the idx is overflow\n");
}
return 0;


}
